Integrating Sound Level Meter / EN
13
08/15/16 Version No. 01
10.
button :
Data records mode : Press this button enter to data records mode.
Erase all records : Turn off the meter, press and hold down this button then turn on
the meter, until the “CLr” indication is shown on the display.
11.
button :
Press this button, will change displayed from “hour : minute : second” to “year –
month - day” about 2 seconds.
Setting the current date and time. Turn off the meter, press and hold down this button
then turn on the meter enter to date and time setting mode.
Preset the start time of the data records. Press this button 3 seconds to setting the start
time of the data records.
12.
button :
Select the default measurement time : Press this button one time enter to
integrating measurement time select mode, use “
” buttons to select
the
measurement
time,
1sec
→
3sec
→
10sec
→
30sec
→
1min
→
5min
→
8min
→
10min
→
15min
→
30min
→
1hour
→
8hour
→
24hour.
Setting to desired measurement time : Press this button 2 seconds enter to other
desired integrating measurement time setting mode, the setting range from 1
second to 100 hours.
Setting the data records sampling time : Turn off the meter, press and hold down
this button then turn on the meter enter to setting the records sampling time.
13. I/O connector : USB input/output connector for input of control signals and output of
measurement data.
14. ALARM output: Sound level alarm output.
15. AC/DC output socket: AC output signal with frequency weighting.
DC output signal corresponding to sound level.
16. CAL potentiometer: Calibration potentiometer for level adjustment.
17. External DC power supply socket: Type 1.3 coaxial power connector; center
negative, nominal 6V DC.
18. Tripod mounting: ¼” - 20 UNC Female thread.
19. Battery cover.